218 BRYACE^. [Webera. 



of the inner peristome pale yellow, split open ; cilia 2 or 3, 

 strongly articulate, as long as the teeth ; annulus large, revo- 

 luble, — Muse. Frond, i. 9, t, 4. Hryum nutans, Schreb. 

 Spicil. FI. Lips. 81 ; Bryol. Eur. t. 347 ; Sulliv. 1. c. 



Yar. cSBSpitosa, Schimp. Stems long, branching by inno- 

 vations from below the apex : leaves longer, slightly flexuous : 

 capsule narrower, horizontal. — Coroll. 66, and Syn. 335. 



Var. bicolor, Schimp. Comal leaves shorter : capsule thick, 

 long-necked, its upper half darker colored than the lower ; pedi- 

 cel geniculate. 



Var. longiseta, Schimp. Stems short, simple : comal 

 leaves numerous, large, spreading : capsule pendent upon a 

 long pedicel. 



Hab. Moist ground, peat bogs and swamps in the plains, and fissures 

 of rocks in mountains; common. The first and last varieties at Twin 

 Lakes, Colorado [Wolf & Bothrock); the second in the White Moun- 

 tains (James); Alaska, etc. 



6. W. CUCuUata, Schimp. Densely cespitose ; stems sim- 

 ple or sparingly branclied : lower leaves and branchdeaves sub- 

 imbricate, ovate, concave, obtuse, entire, the upper longer, nar- 

 rowed and serrate at the apex, often cucullate, soft and sub- 

 opaque : capsule pendent, thickish, pyriform, short-necked, soft, 

 dark brown when old ; teeth short and narrow, yellowish ; 

 inner segments very thin, pale and narrow, separated by short 

 fugacious cilia. — Coroll. 6, and Syn. 336. Bryum cucidlatum, 

 Schwaegr. Suppl. i. 2. 94, t. 68; Bryol. Eur. t. 343; Sulliv. 

 Mosses of U. States, 44. 



Hab. White Mountains (Gray, Oakes, James); Mount Dana, Cali- 

 fornia (Bolande7-). 



* * F%owers dioecious and bisexual in the same species. 



7. W". cruda, Schimp. 1. c. Stems long, simple, purple : 

 lower leaves ovate-lanceolate, entire, the upper tufted, flexuous, 

 spreading, long and ribbon-like, distantly serrate at the apex ; 

 inner floral leaves shorter, erect, narrowly lanceolate, golden 

 yellow and glossy ; costa vanishing below the apex, reddish at 

 base : antheridia of the monoecious plants mixed with the arche- 

 gonia, in the dioecious disposed in the axils of the upper sub- 

 discoid perigonial leaves : capsule curved or horizontal, oblong, 

 short-necked, yellowish brown when mature, narrowed at the 

 orifice and ventricose at base when empty; peristome pale 



